citation needed.
Silicon Valley is a monument to capitalism and most if not all entrepreneurs lean libertarian.
As for the news media, as an example, Fox News has the highest viewership in the US. And for the others, ever thought about why you're not seeing a lot of coverage about unions/worker rights/worker strikes? Don't mistake anti-Trump rhetoric with 'left leaning'..
So I'm not sure we're you're getting your 'data' from.